Mains Heat Alarm + Alkaline Back Up - Discontinued

Please try Heat Alarms for alternative products.

Mains Heat Alarm + Alkaline Back Up03SF23/9HI

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Guarantee - 6 years Ex Battery

Dia: - 135mm
Depth: 55mm
Kidde Slick - Heat Alarm
Interconnectable - with Alkaline Back Up
Most residential fires start in the kitchen; a Heat Alarm
is the only suitable type of alarm;
use also in lofts/garages/boiler rooms
Building Regs provision in 2000 Update (Approved Document B) for Heat Alarms in New Homes kitchens if it opens directly onto another room.
SlickFit provides fast & easy fitting. Base plate removable and if necessary can be fitted at 1st Fix. Alarm can be slid in later on just prior to occupation.
Slim & Modern unobtrusive design.
Auto Reset / BS Kitemarked to BS5446 Pt 1 2000 / Low Battery Warning / Interconnect up to 24 / Dust cap
85db Sounder @3m / Installer & User Manuals / round for easy fitting: no lining up necessary.
Alarms with battery back up may be connected to an adjacent lighting circuit.
  • Mains with battery back up
  • Test + Hush Buttons
  • Twin LED's Red & Green
  • Still operates if mains power lost using a Alkaline Battery ( supplied )
  • Guarantee - 6 years Ex Battery
  • Accessories:(optional)
  • SMK23 Surface pattress 4 way terminal block - Use when cabling via mini trunking eg no ceiling access/concrete ceilings
  • SMK23R Surface pattress with 8A Relay - For operating 3rd party devices via volt free contact eg door closer/strobe/auto dialler etc
  • Fixed Point 57 ºC


Installation / User Guide Smoke Alarms Regulations
Order Code
Price (ex VAT)
Price (inc VAT)
product photo

KD 3SF23/9HI

Mains Heat Alarm + Alkaline Back Up Clearance Stock